The Washer,plain, 6mm is the lowest priced item on this F-17 Taillight schematic.
Some items from this specific schematic: Taillight,nedl, Screw,4mm.minus, Screw,pan,6x32, Nut,hex 6mm.
The Washer,plain, 6mm is the most widely applied product in the PA50CVLCS-NL 1982 F-17 TAILLIGHT ( four times ).